Home / 87,268.88-130,864.44-31,826

Finding the Fourth Proportional to 87,268.88, 130,864.44 and 31,826

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Solution

The fourth proportional to 87,268.88, 130,864.44 and 31,826 is: 47,724.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,268.88 : 130,864.44 = 31,826 : x
  2. Step 2: Convert to fraction form
    87,268.88/130,864.44 = 31,826/x
  3. Step 3: Cross multiply
    87,268.88x = 130,864.44 × 31,826
  4. Step 4: Simplify right side
    87,268.88x = 4,164,891,667.44
  5. Step 5: Solve for x
    x = 4,164,891,667.44/87,268.88
  6. Step 6: Final answer
    x = 47,724.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.